• Provide Tier 3 support for diverse network environments including Cisco, Fortinet, Palo Alto, ADTRAN, Juniper, Meraki, and HP/Dell switches • Troubleshoot advanced routing protocols: OSPF, EIGRP, BGP, MPLS, DMVPN • Support SD-WAN platforms (Cisco Viptela, Ecessa, Vergx) and wireless LAN controllers • Configure and troubleshoot voice services: SIP, PRI, Hosted PBX, TDM/IP interworking, Fax over IP • Collaborate with field techs and ISPs to resolve complex issues • Perform root cause analysis and implement long-term solutions • Analyze SIP traffic using Wireshark and other diagnostic tools • Maintain documentation and ensure SLA compliance • Design and implement network security solutions, including firewalls, VPNs, and intrusion detection/prevention systems • Develop and execute network migration plans for large-scale infrastructure upgrades • Conduct performance tuning and capacity planning for enterprise networks • Mentor and provide technical guidance to Tier 1 and Tier 2 support teams • Participate in on-call rotation to provide 24/7 support for critical issues • Contribute to the development of best practices and standard operating procedures • Evaluate and recommend new technologies to improve network performance and reliability

• Collaborate with other teams to ensure seamless integration of UCaaS services with clients’ existing IT environments. • Oversee the configuration, deployment, and troubleshooting of UCaaS systems based on Alianza Metaswitch platforms. • Ensure the UCaaS service delivery aligns with customer requirements, business objectives, and best practices. • Develop and maintain detailed documentation for UCaaS systems, configurations, and procedures. • Manage technical escalations and provide expert guidance to the engineering team in resolving complex issues. • Establish and monitor key performance metrics for UCaaS service delivery and improve service quality. • Coordinate with sales and customer support teams to ensure alignment and customer satisfaction. • Ensure compliance with SOC2 standards in all UCaaS operations, maintaining security, privacy, and data protection requirements. • Handle other duties as assigned by management.

• As a member of our Certification team you will report to the Sr. Manager of Certification Engineering and help guide the certification efforts for our first certified aircraft. • Coordinate and support certification activities for the assigned Engineering teams • Establish compliance strategies for certification including methods of compliance to FAA regulations • Work directly with the teams to establish relevant designs, development, and certification plans for Type Certification • Act as liaison between the teams and FAA Designated Engineering Representatives (DERs) • Communicate regulatory requirements in a clear and concise manner to the teams and other Archer teams to ensure all stakeholders understand the scope of compliance activities • Ensure appropriate methods of compliance are selected and adhered to • Lead the development, authoring, review, and execution of certification plans • Assist with planning and execution of development and certification test campaigns, including coordination of Conformity Inspections, DER witnessing, and test results documentation • Review designs and documentation with DERs to ensure compliance with airworthiness standards • Support meetings with regulatory authorities; prepare briefing materials, and ensure completion of action items • Collaborate with other members of the certification team to develop integrated aircraft level planning

• Responsible for the installation, commission and maintain the company’s products efficiently and profitably on customer’s site. • Carry out installation, commissioning, installation/operational qualification testing, temperature mapping and customer training to company procedures within quoted timescales and budgets. • Carry out calibration and validation to company procedures. • Carry out comparison calibration to ISO procedure. • Carry out routine service, emergency service and product updates as required under warranty or subsequent maintenance agreements. • Diagnosing and fault-finding breakdowns. • Liaise closely with the Support Manager and/or Installation & Service Manager reporting progress, gathering data, readings and information as requested. • Undertake on-call duties, part of the ‘on call’ out of hours rota. • Undertake annual calibration, alarm limit testing, temperature sensor validation and active sensor calibration and/or replacement. • Complete all appropriate site documentation and returning copies to the office in an efficient timely manner. • Ensure you use latest issue documentation and software. • Feed back customer comments (positive or negative), requests, observations and additional functionality requests. • Proactively maintain sufficient van stocks of installation materials and specific maintenance spares. • Control and safeguard kitted products and equipment issued for installation projects. • Act as project manager on specific projects. • Carry out site surveys and preparing quotations for extensions to existing systems or new systems. Where appropriate, recommend suitable equipment to meet customers’ requirements and estimate material and labour costs. • Complete site asset registers as and when required.